FOR HACKING FIRMWARE: http://www.megaupload.com/?d=QSDVVXGB
6.39 Firmware Update(If your PSP Firmware is not 6.39): http://www.megaupload.com/?d=680BA3CC
NOTE: Put all files that are needed for your PSP inside the "GAME" folder of your PSP, Also when hacking your psp, make sure your psp is charged. it doesnt have to be fully charged but just a good amount
Follow these steps VERY carefully.
1. download 6.39 Pro b8 update
2. Download 6.39PRO B8
Extract 6.39 update with Winrar and then put the 2 files(PROUPDATE AND FASTRECOVERY) into your psp/GAME folder. then start the update
3. Launch PROUPDATE and your psp should go through a boot and then check your firmware, it should say 6.39pro b8.
NOTE: This is a temporary cfw, everytime you shutdown your psp completely you will need to run fastrecovery to get cfw again.
IMPORTANT INFO: press SELECT on your psp after you have hacked it, and then go down to "UMD ISO MODE" and change the setting from "INFERNO" to "M33 DRIVER", thats it
To be able to play Isos, make a new folder on your psp names "ISO", thne whenever you download iso's and cso's then you can put the files in the iso folder
YOU CAN PLAY SIGNED PSP GAMES AND ISO's ENJOY